- COPD patients; Females must have a negative pregnancy test, must not be lactating and must be of non-child-bearing potential, by the following criteria: Post menopausal. Woman below 50 years old will be considered post menopausal if they have been amenorrheic for 12 months or more following cessation of exogenous hormonal treatments, and with LH and FSH levels in the post menopausal range. Women over 50 years of age will be considered post menopausal if they have been amenorrheic for 12 months or more following cessation of all exogenous hormonal treatment. - irreversible surgical sterilisation by hysterectomy, bilateral oophorectomy or bilateral salpingectomy